Below is a list of unnamed ships from many Star Trek episodes and films, and the names which they have been given in various Star Trek books, comics, and reference works. This project was started by Extrocomp on the TrekBBS Literature Forum, and was added to as a group project by several members there. I post it here on his behalf. I hope to find time sometime to insert the pictures instead of only links. Email me any additions you know of to make this list more complete.

The
Klingon Art Of War says that the Klolode and the Voh'tahk are
different ships, even though Forged In Fire claims that the
Klolode was the ship from Day Of The Dove, while Blood
Reign O’er Me claims that the Voh'tahk was the ship from Day
Of The Dove.

According to the
Federation Ship Recognition Manual, the registry NCC-1704
belonged to the USS Bismark.According to the video game Starfleet
Academy, the registry NCC-1704 belonged to the USS
Furious.According to the Star Fleet Technical Manual, the
registry NCC-1717 belonged to the USS Defiance.